================
@@ -2878,6 +2878,60 @@ static bool
interp__builtin_x86_insert_subvector(InterpState &S, CodePtr OpPC,
return true;
}
+static bool interp__builtin_vec_ext(InterpState &S, CodePtr OpPC,
+ const CallExpr *Call, unsigned ID) {
+ assert(Call->getNumArgs() == 2);
+
+ APSInt ImmAPS = popToAPSInt(S, Call->getArg(1));
+ const Pointer &Vec = S.Stk.pop<Pointer>();
+ if (!Vec.getFieldDesc()->isPrimitiveArray())
+ return false;
+
+ unsigned NumElts = Vec.getNumElems();
+ unsigned Index = static_cast<unsigned>(ImmAPS.getZExtValue() & (NumElts -
1));
+
+ switch (ID) {
----------------
tbaederr wrote:
A switch for only two cases seems wrong?
https://github.com/llvm/llvm-project/pull/161302
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